wx.getSetting({
      success(res){
        if (res.authSetting[\'scope.werun\']) {
           console.log(\'已授权获取微信步数\')
        }else{
          wx.authorize({
            scope: \'scope.werun\',
            success(){
              console.log("授权成功")
            },fail(){
              wx.showModal({
                title: \'提示\',
                content: \'获取微信运动步数，需要开启计步权限\',
                success: function (res) {
                  if (res.confirm) {
                    //跳转去设置
                    wx.openSetting({
                      success: function (res) {

                      }
                    })
                  } else {
                    //不设置
                  }
            }
            })
            }
          })
        }
 
      }
    })